Internet代理服务器自动配置脚本原理及应用

The Principle of Internet Proxy Server Autoconfig Script and Its Application

论述了进行地址访问控制的必要性和当前采取的主要技术 ,介绍了 Internet代理服务器自动配置脚本 (PAC)的原理、文件格式及应用 ,最后给出了一个用 PAC文件进行代理控制的代码实现的例子 .

The paper discusses the necessity about IP access control and its leading techniques at present.The mechanism and file format and usage of proxy autoconfig(PAC) are mainly discussed.Finally an encoded sample which uses the PAC file to implement the control is given.